SIFT BEARING STORE CATALOG

N238-E-M1FAGCylindrical Roller

N238-E-M1 is a FAG cylindrical roller bearing, bore 190 mm, O.D. 340 mm, width 55 mm. Dimensions, drawing, interchanges and price.

Brass cage
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Bore d190mm
Outside dia. D340mm
Width B55mm
Dynamic Cr680kN
Static C0r930kN
Limiting speed3,050rpm
Weight22.8kg
Cr / C0r0.73
Mean dia. dm265mm

Original catalogue drawing - FAG Schaeffler HR 1, page 446

N238-E-M1 FAG Cylindrical Roller bearing catalogue drawing

Scanned from the manufacturer catalogue page listing this part number. All part numbers printed on that table share the same drawing.

Scale cross-section

DdBOutside dia. D340 mmBore d190 mmWidth B55 mm

Blue = inner / outer ring, yellow = rolling element. Drawn to scale from this part's own dimensions for selection reference only - not a manufacturing or assembly drawing.

Dimension table (mm / inch)

SymbolDimensionmminch
dBore diameter1907.4803
DOutside diameter34013.3858
BInner-ring / bearing width552.1654
rChamfer (min)40.1575
ERoller-set outside dia.30612.0472
FRoller-set bore dia.2309.0551

Notes

Weights are given in kg. Load ratings are shown in both the original catalogue units and the converted value (1 N = 0.2248 lbf). Data is provided for selection reference only - confirm against the latest official catalogue before ordering.

Main dimensions

Bore d (mm)190
Outside dia. D (mm)340
Width B (mm)55
Inner-ring OD d1 (mm)244
Dimension E (mm)306
Dimension F (mm)230
Dimension s (mm)4.7

Load ratings & speeds

Basic dynamic load rating Cr (lbs)152870
Basic static load rating Cor (lbs)209072
Basic dynamic load rating Cr (N)680000
Basic static load rating C0r (N)930000
Fatigue limit load Cur (N)111000
Limiting speed nG (rpm)3,050
Reference speed nB (rpm)1,720

Weight

Weight (kg)22.8

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)4
Chamfer r1 min (mm)4
Shaft shoulder da (mm)207
Housing shoulder Da (mm)323
Housing shoulder Db (mm)309
Housing shoulder Dc (mm)303
Housing fillet ra max (mm)3
Housing fillet ra1 max (mm)3

Bearing life (ISO 281 basic rating life)

C / PEquivalent load P (N)L10 (106 rev)L10h at 1,000 rpm
4170,0001021,693
6113,3333926,542
885,0001,02417,067
1068,0002,15435,907
1545,3338,323138,724

Basic rating life per ISO 281: L10 = (C/P)10/3 with C = 680,000 N. Hours = L10 x 106 / (60n). Life-modification factors for lubrication, contamination and temperature (aISO) are not included.

Source & traceability

BrandFAG
Source catalogueFAG / Schaeffler Rolling Bearings HR 1
Catalogue pagep.446 (dimensions)

Load ratings in newtons, fatigue limit load Cur, limiting speed nG and reference speed nB.

Interchange - same dimensions, other brands

DesignationBrandTypedDB/TDyn. ratingkg
6238NSKBall1903405557,300 lbs22.153
7238BNSKBall1903405563,700 lbs21.319
238NSKCylindrical Roller19034055124,000 lbs22.226
NU238ENSKCylindrical Roller19034055855 kN23
30238NSKTapered Roller19034055130,000 lbs20.103
HR30238NSKTapered Roller19034055880 kN21.4
7238NSKPrecision / Angular Contact19034055345 kN22.4
7238A5NSKPrecision / Angular Contact1903405573,900 lbs22.303
7238CNSKPrecision / Angular Contact1903405577,200 lbs22.104
30238TimkenTapered Roller19034055839 kN22.49

Same dimensions, same brand

DesignationBrandTypedDB/TDyn. ratingkg
6238-MFAGBall19034055255 kN22.6
QJ238-N2-MPAFAGBall19034055455 kN23.8
NJ238-E-M1FAGCylindrical Roller19034055680 kN23.2
NU238-E-M1FAGCylindrical Roller19034055680 kN22.8
NUP238-E-M1FAGCylindrical Roller19034055680 kN23.5
20238-MBFAGSpherical Roller19034055650 kN22.5
30238FAGTapered Roller19034055530 kN20.8
30238-XLFAGTapered Roller19034055800 kN21.4

Nearby bore sizes

DesignationBrandTypedDB/TDyn. ratingkg
LSL192338FAGCylindrical Roller1904001322110 kN78.1
LSL192338-TBFAGCylindrical Roller1904001322100 kN78.1
NJ2238-E-M1FAGCylindrical Roller190340921090 kN37.7
NJ2338-EX-M1FAGCylindrical Roller1904001321900 kN84.4
NJ2338-EX-TB-M1FAGCylindrical Roller1904001321890 kN84.4
NJ238-E-M1FAGCylindrical Roller19034055680 kN23.2
NN3038-AS-K-M-SPFAGCylindrical Roller19029075585 kN17.3
NU1038-M1FAGCylindrical Roller19029046435 kN10.9

Request a quotation for N238-E-M1

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